v3.25.2
Shareholder Report, Holdings (Details)
Apr. 30, 2025
C000096677 | NR  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096677 | Country Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096677 | AAA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096677 | AA  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096677 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000096677 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 52.00%
C000096677 | B  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000096677 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096677 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000096677 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000096677 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096677 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096677 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000096677 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096677 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096677 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096677 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096677 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096677 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096677 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.00%
C000096677 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096677 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096677 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096677 | Luxembourg  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096677 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096677 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096677 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096677 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096677 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096677 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000096677 | AssetLoan Participations and Assignments  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096677 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096677 | AssetGovernment & Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096677 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096677 | AssetCash Equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096677 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096677 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096677 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096679 | NR  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096679 | Country Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096679 | AAA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096679 | AA  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096679 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000096679 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 52.00%
C000096679 | B  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000096679 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096679 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000096679 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000096679 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096679 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096679 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000096679 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096679 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096679 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096679 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096679 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096679 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096679 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.00%
C000096679 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096679 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096679 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096679 | Luxembourg  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096679 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096679 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096679 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096679 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096679 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096679 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000096679 | AssetLoan Participations and Assignments  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096679 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096679 | AssetGovernment & Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096679 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096679 | AssetCash Equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096679 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096679 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096679 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000176652 | NR  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000176652 | Country Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000176652 | AAA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000176652 | AA  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000176652 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000176652 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 52.00%
C000176652 | B  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000176652 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000176652 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000176652 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000176652 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000176652 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000176652 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000176652 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000176652 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000176652 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000176652 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000176652 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000176652 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000176652 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.00%
C000176652 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000176652 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000176652 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000176652 | Luxembourg  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000176652 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000176652 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000176652 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000176652 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000176652 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000176652 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000176652 | AssetLoan Participations and Assignments  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000176652 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000176652 | AssetGovernment & Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000176652 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000176652 | AssetCash Equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000176652 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000176652 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000176652 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096680 | NR  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096680 | Country Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096680 | AAA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096680 | AA  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096680 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000096680 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 52.00%
C000096680 | B  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000096680 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096680 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000096680 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000096680 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096680 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096680 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000096680 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096680 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096680 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096680 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096680 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096680 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096680 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.00%
C000096680 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096680 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096680 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096680 | Luxembourg  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096680 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096680 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096680 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096680 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096680 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096680 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000096680 | AssetLoan Participations and Assignments  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096680 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096680 | AssetGovernment & Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096680 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096680 | AssetCash Equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096680 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096680 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096680 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096681 | NR  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096681 | Country Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096681 | AAA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096681 | AA  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096681 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000096681 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 52.00%
C000096681 | B  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000096681 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096681 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000096681 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000096681 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096681 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000096681 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000096681 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096681 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000096681 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096681 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096681 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096681 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096681 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.00%
C000096681 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000096681 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096681 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000096681 | Luxembourg  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096681 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000096681 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096681 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096681 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096681 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096681 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000096681 | AssetLoan Participations and Assignments  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096681 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000096681 | AssetGovernment & Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096681 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000096681 | AssetCash Equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096681 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096681 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000096681 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%